Noratel RTD-200-001718 Isolation Transformer, Input 0-230V, Output 0-12V-24V (Dual 12V), 8.33A. Suitable for digital broadcast constant voltage power amplifiers, in new condition, fully functional with no repairs. Packaging is intact, with shielding layer, maximum temperature resistance 130°C. Diameter approximately 10.5cm, height 4.5cm, weight approximately 1.8kg. There are 90 units, 280 yuan each with free shipping, can be used on audio power amplifiers, transferred due to idleness, friends in need can contact me. Free shipping, fixed price, direct purchase.